County Road 59 over Sand Hill Ditch


+40.42169, -103.41189
40°25'18" N, 103°24'43" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:County Road 59 over Sand Hill Ditch
Structure number:WTN59-Q.80
Location:0.1 Mi. W. of Co. Rd. R
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:38.7 ft. [11.8 m]
Total length:40.4 ft. [12.3 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:24.0 ft. [7.3 m]
Owner:County Highway Agency [02]
Year built:1979
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Corrugated Steel [6]
Wearing surface:Gravel [8]

Latest Available Inspection: October 2017

Good/Fair/Poor Condition:Fair
Status:Open, posting recommended but not legally implemented [B]
Average daily traffic:56 [as of 2012]
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:72.3

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2017FairGoodSatisfactorySatisfactory5672.3
December 2015FairGoodSatisfactoryGood5675.5
December 2013FairGoodSatisfactoryGood5675.5
January 2012FairGoodSatisfactoryGood5675.5
January 2010FairGoodSatisfactoryGood4475.5
December 2007FairGoodSatisfactoryGood4475.5
November 2005FairGoodSatisfactoryGood6876.5
November 2003GoodVery GoodGoodGood8174.9
March 2001FairGoodSatisfactorySatisfactory8174.7
April 1999FairGoodSatisfactorySatisfactory8174.7
May 1997FairVery GoodSatisfactoryGood8174.7
December 1995FairVery GoodSatisfactorySatisfactory4974.8
May 1993GoodVery GoodGoodGood4964.3
April 1991GoodVery GoodGoodGood4959.3

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.443044300
Steel Abutmentlinear ft.4800480
Steel Protective Coatingsq. ft.4800048
Steel Pileeach1000100
Steel Pier Caplinear ft.4804800
Corrugated or Orthotropic Decksq. ft.967967000
Steel Protective Coatingsq. ft.967967000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.81711000
Steel Protective Coatingsq. ft.81710010